If you are looking for a tool that can punch clean and accurate holes, the Greenlee 1557SS Hydraulic Punch Sleeve is what you need. The stainless steel sleeve features an exterior diameter of 1/8" x 2.65". It has a maximum capacity of 10 ga. mild steel. This hydraulic punch sleeve is compatible with Greenlee Mfg No 745 Punch Units and 7308 Punch Kit units. With its efficient design, the Greenlee 1557SS Hydraulic Punch Sleeve will help you achieve high quality results every time.. This item has been restricted from sale in the following state (s): []